<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>15-元素显示模式</title>
		<style type="text/css">
			*{
				margin:0;
				padding:0;
			}
			div,p{
				/* height:30px; */
				background:red;
			}
		</style>
	</head>
	<body>
		<!-- 
			1. 块级元素 
			2. 行内元素 
			3. 行内块元素 
		 -->
		<div>百度一下..............</div>
		<p>百度一下..............</p>
		
		<span>百度</span><span>百度</span><span>百度</span>
		
	</body>
</html>
